:root {
    --width: 360px;
    --height: 500px;
}

.container {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    width: var(--width);
    height: var(--height);
    margin: auto;
    text-align: center;
}

.Turntable {
    width: var(--width);
    height: var(--width);
    background: green;
    border-radius: 50%;
    position: relative;
}

.Turntable #panel, .Turntable img {
    background: aqua;
    width: var(--width);
    height: var(--width);
    border-radius: 50%;
    overflow: hidden;
}

.start {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 80px;
    height: 80px;
    background: pink;
    border-radius: 50%;
    box-shadow: 0 0 0 6px white,
    0 0 13px 6px black;
    user-select: none;
}

.start::after {
    content: '';
    border: 10px solid transparent;
    border-bottom: 20px solid #fff;
    position: absolute;
    top: -35px;
    left: 30px;
}

.start span {
    line-height: 80px;
}

.record_line {
    background: #00000033;
    border-radius: 10px;
    width: 300px;
    height: 24px;
    overflow: hidden;
    margin: 100px auto auto;
    line-height: 1.5em;
}

#setting {
    position: fixed;
    right: 10px;
    top: 10px;
}

#setting:hover {
    cursor: pointer;
}

.setting {
    position: fixed;
    top: 0;
    bottom: 0;
    left: 0;
    right: 0;
    width: 710px;
    height: 600px;
    margin: auto;
    background: #ffffff91;
    overflow-y: auto;
    overflow-x: hidden;
}

.setting table {
    width: 100%;
    text-align: center;
    background-color: red;
    max-height: 540px;
}

.setting .btn_group span {
    display: inline-block;
    width: 25%;
    text-align: center;
    background: aqua;
    font-size: 18px;
}

.setting .btn_group {
    margin-top: 20px;
    font-size: 0;
}

.setting .btn_group:hover {
    cursor: pointer;
}